[PATCH RFC PKS/PMEM 24/58] fs/freevxfs: Utilize new kmap_thread()

ira.weiny at intel.com ira.weiny at intel.com
Fri Oct 9 19:49:59 UTC 2020


From: Ira Weiny <ira.weiny at intel.com>

The kmap() calls in this FS are localized to a single thread.  To avoid
the over head of global PKRS updates use the new kmap_thread() call.

Cc: Christoph Hellwig <hch at infradead.org>
Signed-off-by: Ira Weiny <ira.weiny at intel.com>
---
 fs/freevxfs/vxfs_immed.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/freevxfs/vxfs_immed.c b/fs/freevxfs/vxfs_immed.c
index bfc780c682fb..9c42fec4cd85 100644
--- a/fs/freevxfs/vxfs_immed.c
+++ b/fs/freevxfs/vxfs_immed.c
@@ -69,9 +69,9 @@ vxfs_immed_readpage(struct file *fp, struct page *pp)
 	u_int64_t	offset = (u_int64_t)pp->index << PAGE_SHIFT;
 	caddr_t		kaddr;
 
-	kaddr = kmap(pp);
+	kaddr = kmap_thread(pp);
 	memcpy(kaddr, vip->vii_immed.vi_immed + offset, PAGE_SIZE);
-	kunmap(pp);
+	kunmap_thread(pp);
 	
 	flush_dcache_page(pp);
 	SetPageUptodate(pp);
-- 
2.28.0.rc0.12.gb6a658bd00c9



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